Re: [Yaffs] Periodic Checkpointing

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Author: Ross Younger
Date:  
To: yaffs
Subject: Re: [Yaffs] Periodic Checkpointing
James Kehl wrote:
> [block summaries]
> Wouldn't this only be a gain for the inband-tags case, or when the MTD
> driver can't read out a page's tags without reading out the entire page
> as well (as some hardware ECC forces you to do)?


It is true in my experience to say that tags mode is deathly slow - I
don't touch it if I can possibly avoid doing so.

OTOH there might well be an improvement to be had in inband tags mode if
you enable yaffs's own ECC on the tags and teach it to make a partial
page read of just the tags area. However I'm concentrating on large page
devices for the time being, so don't have any time to look further into
this.


Ross

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